Integrand size = 29, antiderivative size = 529 \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=-\frac {d \text {arctanh}\left (\frac {\sqrt {2} c+\sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}+\sqrt {2} d x}{\sqrt [4]{c} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}\right )}{2 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}+\frac {d \text {arctanh}\left (\frac {\sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}-\sqrt {2} (c+d x)}{\sqrt [4]{c} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}\right )}{2 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}-\frac {d \log \left (\sqrt {c} \sqrt {c^3+4 a d^2}-\sqrt {2} \sqrt [4]{c} d \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} \left (\frac {c}{d}+x\right )+d^2 \left (\frac {c}{d}+x\right )^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}+\frac {d \log \left (\sqrt {c} \sqrt {c^3+4 a d^2}+\sqrt {2} \sqrt [4]{c} d \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} \left (\frac {c}{d}+x\right )+d^2 \left (\frac {c}{d}+x\right )^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}} \]
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Time = 0.67 (sec) , antiderivative size = 529, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.207, Rules used = {1120, 1108, 648, 632, 212, 642} \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=-\frac {d \text {arctanh}\left (\frac {\sqrt [4]{c} \sqrt {\sqrt {4 a d^2+c^3}+c^{3/2}}+\sqrt {2} c+\sqrt {2} d x}{\sqrt [4]{c} \sqrt {c^{3/2}-\sqrt {4 a d^2+c^3}}}\right )}{2 \sqrt {2} c^{3/4} \sqrt {4 a d^2+c^3} \sqrt {c^{3/2}-\sqrt {4 a d^2+c^3}}}+\frac {d \text {arctanh}\left (\frac {\sqrt [4]{c} \sqrt {\sqrt {4 a d^2+c^3}+c^{3/2}}-\sqrt {2} (c+d x)}{\sqrt [4]{c} \sqrt {c^{3/2}-\sqrt {4 a d^2+c^3}}}\right )}{2 \sqrt {2} c^{3/4} \sqrt {4 a d^2+c^3} \sqrt {c^{3/2}-\sqrt {4 a d^2+c^3}}}-\frac {d \log \left (\sqrt {c} \sqrt {4 a d^2+c^3}-\sqrt {2} \sqrt [4]{c} d \sqrt {\sqrt {4 a d^2+c^3}+c^{3/2}} \left (\frac {c}{d}+x\right )+d^2 \left (\frac {c}{d}+x\right )^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {4 a d^2+c^3} \sqrt {\sqrt {4 a d^2+c^3}+c^{3/2}}}+\frac {d \log \left (\sqrt {c} \sqrt {4 a d^2+c^3}+\sqrt {2} \sqrt [4]{c} d \sqrt {\sqrt {4 a d^2+c^3}+c^{3/2}} \left (\frac {c}{d}+x\right )+d^2 \left (\frac {c}{d}+x\right )^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {4 a d^2+c^3} \sqrt {\sqrt {4 a d^2+c^3}+c^{3/2}}} \]
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Rule 212
Rule 632
Rule 642
Rule 648
Rule 1108
Rule 1120
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \frac {1}{c \left (4 a+\frac {c^3}{d^2}\right )-2 c^2 x^2+d^2 x^4} \, dx,x,\frac {c}{d}+x\right ) \\ & = \frac {d \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}{d}-x}{\frac {\sqrt {c} \sqrt {c^3+4 a d^2}}{d^2}-\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} x}{d}+x^2} \, dx,x,\frac {c}{d}+x\right )}{2 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}+\frac {d \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}{d}+x}{\frac {\sqrt {c} \sqrt {c^3+4 a d^2}}{d^2}+\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} x}{d}+x^2} \, dx,x,\frac {c}{d}+x\right )}{2 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}} \\ & = \frac {\text {Subst}\left (\int \frac {1}{\frac {\sqrt {c} \sqrt {c^3+4 a d^2}}{d^2}-\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} x}{d}+x^2} \, dx,x,\frac {c}{d}+x\right )}{4 \sqrt {c} \sqrt {c^3+4 a d^2}}+\frac {\text {Subst}\left (\int \frac {1}{\frac {\sqrt {c} \sqrt {c^3+4 a d^2}}{d^2}+\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} x}{d}+x^2} \, dx,x,\frac {c}{d}+x\right )}{4 \sqrt {c} \sqrt {c^3+4 a d^2}}-\frac {d \text {Subst}\left (\int \frac {-\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}{d}+2 x}{\frac {\sqrt {c} \sqrt {c^3+4 a d^2}}{d^2}-\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} x}{d}+x^2} \, dx,x,\frac {c}{d}+x\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}+\frac {d \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}{d}+2 x}{\frac {\sqrt {c} \sqrt {c^3+4 a d^2}}{d^2}+\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} x}{d}+x^2} \, dx,x,\frac {c}{d}+x\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}} \\ & = -\frac {d \log \left (\sqrt {c} \sqrt {c^3+4 a d^2}-\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} (c+d x)+(c+d x)^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}+\frac {d \log \left (\sqrt {c} \sqrt {c^3+4 a d^2}+\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} (c+d x)+(c+d x)^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}-\frac {\text {Subst}\left (\int \frac {1}{\frac {2 \sqrt {c} \left (c^{3/2}-\sqrt {c^3+4 a d^2}\right )}{d^2}-x^2} \, dx,x,-\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}{d}+2 \left (\frac {c}{d}+x\right )\right )}{2 \sqrt {c} \sqrt {c^3+4 a d^2}}-\frac {\text {Subst}\left (\int \frac {1}{\frac {2 \sqrt {c} \left (c^{3/2}-\sqrt {c^3+4 a d^2}\right )}{d^2}-x^2} \, dx,x,\frac {\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}{d}+2 \left (\frac {c}{d}+x\right )\right )}{2 \sqrt {c} \sqrt {c^3+4 a d^2}} \\ & = -\frac {d \tanh ^{-1}\left (\frac {\sqrt [4]{c} \left (\sqrt {2} c^{3/4}-\sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}\right )+\sqrt {2} d x}{\sqrt [4]{c} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}\right )}{2 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}-\frac {d \tanh ^{-1}\left (\frac {\sqrt [4]{c} \left (\sqrt {2} c^{3/4}+\sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}\right )+\sqrt {2} d x}{\sqrt [4]{c} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}\right )}{2 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}-\sqrt {c^3+4 a d^2}}}-\frac {d \log \left (\sqrt {c} \sqrt {c^3+4 a d^2}-\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} (c+d x)+(c+d x)^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}}+\frac {d \log \left (\sqrt {c} \sqrt {c^3+4 a d^2}+\sqrt {2} \sqrt [4]{c} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}} (c+d x)+(c+d x)^2\right )}{4 \sqrt {2} c^{3/4} \sqrt {c^3+4 a d^2} \sqrt {c^{3/2}+\sqrt {c^3+4 a d^2}}} \\ \end{align*}
Result contains higher order function than in optimal. Order 9 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.13 \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=\frac {1}{4} \text {RootSum}\left [4 a c+4 c^2 \text {$\#$1}^2+4 c d \text {$\#$1}^3+d^2 \text {$\#$1}^4\&,\frac {\log (x-\text {$\#$1})}{2 c^2 \text {$\#$1}+3 c d \text {$\#$1}^2+d^2 \text {$\#$1}^3}\&\right ] \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 0.14 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.12
method | result | size |
default | \(\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (d^{2} \textit {\_Z}^{4}+4 c d \,\textit {\_Z}^{3}+4 c^{2} \textit {\_Z}^{2}+4 a c \right )}{\sum }\frac {\ln \left (x -\textit {\_R} \right )}{\textit {\_R}^{3} d^{2}+3 \textit {\_R}^{2} c d +2 \textit {\_R} \,c^{2}}\right )}{4}\) | \(64\) |
risch | \(\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (d^{2} \textit {\_Z}^{4}+4 c d \,\textit {\_Z}^{3}+4 c^{2} \textit {\_Z}^{2}+4 a c \right )}{\sum }\frac {\ln \left (x -\textit {\_R} \right )}{\textit {\_R}^{3} d^{2}+3 \textit {\_R}^{2} c d +2 \textit {\_R} \,c^{2}}\right )}{4}\) | \(64\) |
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Leaf count of result is larger than twice the leaf count of optimal. 905 vs. \(2 (408) = 816\).
Time = 0.29 (sec) , antiderivative size = 905, normalized size of antiderivative = 1.71 \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=\frac {1}{8} \, \sqrt {-\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} + 1}{a c^{3} + 4 \, a^{2} d^{2}}} \log \left (d^{2} x + c d + {\left (2 \, a c d^{2} + {\left (a c^{7} + 4 \, a^{2} c^{4} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}}\right )} \sqrt {-\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} + 1}{a c^{3} + 4 \, a^{2} d^{2}}}\right ) - \frac {1}{8} \, \sqrt {-\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} + 1}{a c^{3} + 4 \, a^{2} d^{2}}} \log \left (d^{2} x + c d - {\left (2 \, a c d^{2} + {\left (a c^{7} + 4 \, a^{2} c^{4} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}}\right )} \sqrt {-\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} + 1}{a c^{3} + 4 \, a^{2} d^{2}}}\right ) + \frac {1}{8} \, \sqrt {\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} - 1}{a c^{3} + 4 \, a^{2} d^{2}}} \log \left (d^{2} x + c d + {\left (2 \, a c d^{2} - {\left (a c^{7} + 4 \, a^{2} c^{4} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}}\right )} \sqrt {\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} - 1}{a c^{3} + 4 \, a^{2} d^{2}}}\right ) - \frac {1}{8} \, \sqrt {\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} - 1}{a c^{3} + 4 \, a^{2} d^{2}}} \log \left (d^{2} x + c d - {\left (2 \, a c d^{2} - {\left (a c^{7} + 4 \, a^{2} c^{4} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}}\right )} \sqrt {\frac {2 \, {\left (a c^{3} + 4 \, a^{2} d^{2}\right )} \sqrt {-\frac {d^{2}}{a c^{9} + 8 \, a^{2} c^{6} d^{2} + 16 \, a^{3} c^{3} d^{4}}} - 1}{a c^{3} + 4 \, a^{2} d^{2}}}\right ) \]
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Time = 0.59 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.17 \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=\operatorname {RootSum} {\left (t^{4} \cdot \left (16384 a^{3} c^{3} d^{2} + 4096 a^{2} c^{6}\right ) + 128 t^{2} a c^{3} + 1, \left ( t \mapsto t \log {\left (x + \frac {- 1024 t^{3} a^{2} c^{4} d^{2} - 256 t^{3} a c^{7} + 16 t a c d^{2} - 4 t c^{4} + c d}{d^{2}} \right )} \right )\right )} \]
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\[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=\int { \frac {1}{d^{2} x^{4} + 4 \, c d x^{3} + 4 \, c^{2} x^{2} + 4 \, a c} \,d x } \]
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Time = 0.29 (sec) , antiderivative size = 603, normalized size of antiderivative = 1.14 \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=-\frac {\log \left (x + \sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}{4 \, {\left (d^{2} {\left (\sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}^{3} - 3 \, c d {\left (\sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}^{2} + 2 \, c^{2} {\left (\sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}\right )}} + \frac {\log \left (x - \sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}{4 \, {\left (d^{2} {\left (\sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} - \frac {c}{d}\right )}^{3} + 3 \, c d {\left (\sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} - \frac {c}{d}\right )}^{2} + 2 \, c^{2} {\left (\sqrt {\frac {c^{2} d^{2} + 2 \, \sqrt {-a c} d^{3}}{d^{4}}} - \frac {c}{d}\right )}\right )}} - \frac {\log \left (x + \sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}{4 \, {\left (d^{2} {\left (\sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}^{3} - 3 \, c d {\left (\sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}^{2} + 2 \, c^{2} {\left (\sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}\right )}} + \frac {\log \left (x - \sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} + \frac {c}{d}\right )}{4 \, {\left (d^{2} {\left (\sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} - \frac {c}{d}\right )}^{3} + 3 \, c d {\left (\sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} - \frac {c}{d}\right )}^{2} + 2 \, c^{2} {\left (\sqrt {\frac {c^{2} d^{2} - 2 \, \sqrt {-a c} d^{3}}{d^{4}}} - \frac {c}{d}\right )}\right )}} \]
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Time = 12.19 (sec) , antiderivative size = 1551, normalized size of antiderivative = 2.93 \[ \int \frac {1}{4 a c+4 c^2 x^2+4 c d x^3+d^2 x^4} \, dx=\text {Too large to display} \]
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